dan
/
TIC-80-guile
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'noise_wave_fix'

This commit is contained in:
BADIM-PC\Vadim 2018-01-05 22:10:41 +03:00
parent 394b3139b5 bcd37adbb9
commit 173fe4167b
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/tic.c
View File

@ -38,6 +38,7 @@
#define MAX_PERIOD_VALUE 4096
#define BASE_NOTE_FREQ 440.0
#define BASE_NOTE_POS 49.0
#define ENVELOPE_FREQ_SCALE 2
#define NOTES_PER_MUNUTE (TIC_FRAMERATE / NOTES_PER_BEET * 60)
#define min(a,b) ((a) < (b) ? (a) : (b))
#define max(a,b) ((a) > (b) ? (a) : (b))
@ -102,7 +103,7 @@ static inline s32 freq2period(double freq)
{
if(freq == 0.0) return MAX_PERIOD_VALUE;
enum {Rate = CLOCKRATE / ENVELOPE_VALUES};
enum {Rate = CLOCKRATE * ENVELOPE_FREQ_SCALE / ENVELOPE_VALUES};
s32 period = round((double)Rate / freq - 1.0);
if(period < MIN_PERIOD_VALUE) return MIN_PERIOD_VALUE;
@ -120,7 +121,7 @@ static inline s32 getAmp(const tic_sound_register* reg, s32 amp)
static void runEnvelope(blip_buffer_t* blip, tic_sound_register* reg, tic_sound_register_data* data, s32 end_time )
{
s32 period = freq2period(reg->freq);
s32 period = freq2period(reg->freq * ENVELOPE_FREQ_SCALE);
for ( ; data->time < end_time; data->time += period )
{